<!DOCTYPE html>
<html>
<body>
<a href="{% url 'index:download1' %}">HttpResponse-下载</a>
<br>
<a href="{% url 'index:download2' %}">StreamingHttpResponse-下载</a>
<br>
<a href="{% url 'index:download3' %}">FileResponse-下载</a>
</body>
</html>